Bump @babel/core from 7.21.5 to 7.21.8

Bumps [@babel/core](https://github.com/babel/babel/tree/HEAD/packages/babel-core) from 7.21.5 to 7.21.8.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/main/CHANGELOG.md)
- [Commits](https://github.com/babel/babel/commits/v7.21.8/packages/babel-core)

---
updated-dependencies:
- dependency-name: "@babel/core"
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -2,7 +2,7 @@
   "name": "codeocean",
   "private": true,
   "dependencies": {
-    "@babel/core": "^7.21.5",
+    "@babel/core": "^7.21.8",
     "@babel/plugin-transform-runtime": "^7.21.4",
     "@babel/preset-env": "7",
     "@babel/runtime": "7",